Art of box manufacture



July 28, 1936. J KRYLL 2,049,123

ART OF BOX MANUFACTURE Filed April 29, 1955 2 Sheets-Sheet 1.

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INVENTOR.

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ATTORNEY L. J. KRYLL July 28, 1936.

AR; OF BOX MANUFACTURE Filed April 29, 1955 2 Sheets-Sheet 2 ATTORNEY.

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Patented July 28, 1 936 UITED STATES ART OF BOX MANUFACTURE of Wisconsin Application April 29,

Claims.

The present invention relates in general to improvements in the art of box manufacture, and relates more specifically to an improved paper, chip or fiber board box for cigars and like com- 5 modities.

Generally stated, an object of the invention is to provide a rigid and strong paper-board, chipboard, or fiber-board box which is less costly than a wooden box for the same purpose, but which will efiiciently protect the contents.

Heretofore, boxes for cigars have usually been made of wood because the essential requirement in the packing of cigars is a rigid box to protect the cigars against being crushed during shipping, handling and storage. In addition to this the purchasing public has long been accustomed to seeing cigars packed in Wooden boxes, and any substitute therefor should have the same appearance. It has been proposed, heretofore, to form cigar boxes partly of wood and partly of paperboard, but such boxes have not been entirely satisfactory and there are manufacturing difiiculties connected with the production of the same.

A more specific object of the invention is to provide a cigar box formed entirely of paperboard or the like which meets all of the requirements for a practical cigar box by providing the proper rigidity and protection for the contents, and at the same time possessing substantially the same appearance as a wooden cigar box.

Another specific object of the invention is to provide a box of the character described wherein the end walls of the box are provided with shoulders to receive and support the cover, and preventing undesired depression of the cover to an extent which might cause the contents of the box to be damaged and crushed.

Still another specific object of the invention is to provide a paper-board box utilizing relatively heavy, plied paper-board, making the walls of the box unusually firm and rigid.

An additional specific object of the invention is to provide a box of the character described wherein the corners and edges are angular and open dovetailed slots are eliminated.

Still another object of the invention is the provision of a paper-board cigar box wherein the front wall has a small wooden insert to receive the cover nail when the cover is secured in closing position.

These and other objects and advantages will be apparent from the following detailed description.

A clear conception of embodiments of the several features comprising the present invention,

1935, Serial No. 18,890

and of the mode of constructing the improved boxes, may be had by referring to the drawings accompanying and forming a part of this specification in which like reference characters designate the same or similar parts in the various 5 views.

Fig. 1 is a plan view of the blank for forming the major body portion of the cigar box shell;

Fig. 2 is an enlarged, detail, sectional view taken on line 2 -2 of Fig. 1;

Fig. 3 is a perspective view of the blank of Fig. 1 folded into form with the end wall members applied thereto;

Fig. 4 is an enlarged, sectional, perspective view of the shell with one form of liner applied thereto; 15

Fig. 5 is a view similar to Fig. 4, only showing a slightly modified form of liner applied to the shell;

Fig. 6 is an unfolded view of the blank for the form of liner shown in Fig. 5;

Fig. 7 is an enlarged, fragmentary, detail view of one method of securing the corner portions of the liner of Figs. 5 and 6;

Fig. 8 is a similar view of another method of securing the corner portions of said'liner;

Fig. 9 is an enlarged, fragmentary, detail view, partly broken away and in section, to show a wooden insert in the front wall for receiving the cover-securing nail;

Fig. 10 is a. perspective View of the completed 30 box;

Fig. 11 is an enlarged, transverse, vertical sectional view thereof, and showing one form of cover hinge strip;

Fig. 12 is an enlarged, fragmentary, detail sec- 35 tional view illustrating an alternative form of cover hinge strip;

Fig. 13 is an enlarged, fragmentary, front View, with a. portion broken away and in section, showing a modified form of box; and

. Fig. 14 is an enlarged, fragmentary, sectional view of a modified form of cover-securing means.

While the invention has been illustrated and will be described herein as being specifically applied to a cigar box, it will be apparent that the 5 novel features are capable of more general application. Also, the term paper-board as used herein, ,is intended to. cover chip-board, fiberboard, and other analogous materials, other than wood.

In the manufacture of the improved boxes large sheets of paper-board material are run from rolls through a lining or combining machine which plies, together several thicknesses of the material and applies wood grained paper to one outer sur- .55

face. The plied material, coated with woodgrained paper, may be cut into sheets of suitable size and proportion and these sheets are then run through a machine which die-cuts them into the proper shape. The blank of a die-cut sheet to form the major portion of a shell of a box is illustrated in Fig. 1 and is designated generally by the numeral [5. It will be seen that this sheet comprises a rectangular bottom portion I6, side wall portions l'l foldably connected to theside edges of the portion 16 by lines of scoring [8, and end flaps l9 and 20 foldably attached, respectively, to the ends of the portions [1 and IS. The flaps I 9 are separated from the flaps 20 by V-cuts. As will be seen from Fig. 2 the material of the blank l5 comprises several plied layers of paperboard or the like covered on the outer surface by wood-grained paper 2|.

There are also formed on the lining or combining machine, heavier sheets of plied material and these sheets have outer surface portions thereof covered with wood-grained material and are ultimately cut into smaller rectangular boxend forming members 22. The blank I5 is folded into form and a press applies a pair of the members 22 to the opposite ends thereof, as best shown in Fig. 3. Inner surface portions of the members 22 carry an adhesive so that when the same are applied,.said members 22 will maintain the folded blank in the condition shown. As beforementioned, the end members 22 are of somewhat heavier ply than the adjoining portions of the shell and furthermore the members 22 are of slightly greater height than the adjoining wall portions I1 and flaps l9. As will hereinafter be brought out, this arrangement of the end members22, in conjunction with an inner liner, forms shoulders for the seating of side edge portions of a cover.

After the box has been assembled into the condition shown in Fig. 3 it is necessary to apply a liner to the interior thereof. One form of liner is shown in Fig. 4 wherein a separate bottom member 23 is disposed onthe bottom l6 of the shell and a one-piece, four sided collar 24 is arranged in rectangular form around the innerside wall portions of the container, with its-lower edge portions seated on the top surface of the bottom member 23. p

In lieu of the form .of liner just described; a one-piece liner may be utilized. The blank for this form of liner is shown in detail in'Fig..6 and "is indicated generally by the numeral 23'. This form of liner is ultimately folded into box-like formation and the meeting corner edges of the 'sides and ends thereof may be held together by means of staples or stitching 25 as in Fig. 7, or by means of adhesive tape 25 as in Fig. 8. The linerthus formed is inserted into the interior of the shell and positions therein in the manner shown in Fig. 5. The medial upper edge portion of the front of a liner, regardless of the form of liner used, is provided with a cut-out 26 in which a similarly shaped wooden block 2'! is mounted. Said wooden blockis for the purpose of receiving a cover nail 28, when the completed box is to have the cover secured in closed position.

The cover29'for the box is of rectangular form and is also formed of pliedmaterial, heavier than the shell, and its outer surface is covered with wood-grained paper indicated by the numeral 30. The inner edge of the cover 29 is foldably connectedto the upper edge portion of the rear wall of the box by means of a flexible hinge strip 3|. The hinge strip, obviously, is substantially coextensive in length with the length of the cover. In Fig. 11 one portion of the hinge strip is illustrated as being applied to an inner portion of the inner end of the cover, prior to the application of lining or finishing paper, and the other portion of the hinge strip is secured between upper portions of the rear wall of the liner and the shell. In a slightly alternative arrangement illustrated in Fig. 12 the lower portion of the hinge strip is secured in'the same manner between portions of the shell and liner, while the upper end of the hinge strip is secured to an exterior portion of the cover prior to the application of the final finishing edging strips.

After the attachment of the cover the entire interior surfaces of the box and cover are lined or covered with the usual finishing or lining paper sheets, which are adhered to all exposed inner surface portions in the usual manner. Finally, edge finishing strips 32 are applied and adhered over and around all exterior angular edge portionsof the box. 7

When the cover is closed with respect to the box it will be noted that the frontedge of the cover rests firmly on the upper edge of the front of th'ebox formed by the combined thicknesses of the liner and shell. In order that the cover have no protruding portions and lie flush with the top surface of the boxthe upward projections of the ends 22 are provided. These upwardly projecting portions, in conjunction with thelower top edge portions of the end members of the liner, form shoulders 33 uponwhich the opposite ends of the cover rest when the cover is closed. By virtue of the fact that the cover is thus supported at its ends, pressure on the cover will not cause the cover to be depressed into the box to damage the contents thereof The' cover is, thereby, very rigidly supported along all of its edge portions. As previously mentioned, when the cover is closed and thebox is to be sealed, the cover-securing nail 28 is extendedinto the wooden insert block 21.

In a modified form of box construction illustrated in Fig. 13, the shoulders 33 are eliminated. In this arrangement the end wall portions 24 of the liner extend upwardly the same height as the shell ends 22'. Hence, the cover 29 seats at its front and rear edges on the top edges of the front and rear walls of the-box, but the end portions of the cover are disposed inwardly of theends of the box so that the top surface of the cover is flush with the' top portions of said.- end walls. 7 p v A modified arrangement for securing the cover in closed position is shown in Fig. 14. In this form of the invention the wooden insert-21 in the front wall is eliminated and in lieuthereof a metal fastening element-28 has its lower portion se, cured against a front wall portion and iscovered by the finishing strip-32. Said element is formed with prongs 35 which imbed in the wall material for anchoring purposes, and the upper portion of the element 28 projectsabove the top edge of the box front wall. When the cover 29 is closed, the projecting portion of the element 28 passes through an opening 36in the front medial portion of the cover. Inasmuch as theelement is malleable, the projecting portionthereof may be bent over, for cover secur'ing purposes, as shown.

In most instancesthe material ,for' the shell, ends, and cover of the box, when being run through the lining and combining machine, will have wood-veneer paper applied to outer surfaces. In some instances, however, a customer maydesire a special" wrapping on the box. In this case the wood-veneer paper'will' be omitted and after the box has been finally assembled and completed it may be full wrapped, exteriorly, with a special sheet of wrapping material, applied and adhered to all outer surface portions of the box, in the usual manner.

From the foregoing description it will be apparent that the invention provides an improved method of efiiciently and inexpensively constructing an entire paperboard cigar box. The method may be carried on very rapidly and inexpensively due to the fact that a minimum number of operations are required and further because the material may be plied and coated with surfacing paper in a single operation. The assembly and connection of the various constituent portions of the box is also conveniently accomplished. The improved box, when completed, has the same appearance as the ordinary wooden cigar box and is extremely rigid and durable. The cover thereof is arranged to rest flush in closed position and box shoulders receive the ends thereof to prevent undesired flexing and inward depression of the cover. The improved box, moreover, presents a neat and very attractive finished appearance.

It should be understood that it is not desired to limit the invention to the precise details of construction herein shown and described, for various modifications within the scope of the claims may occur to persons skilled in the art.

What is claimed as the invention is:

l. A box, comprising an integral sheet folded to form outer shell sides and bottom, separate end members applied exteriorly thereto and of greater height than said sides, a stiff liner covering the bottom and inner side and end wall portions of the shell, and a cover hingedly connected to one side and adapted to rest, in closing position on upper edge portions of both sides with its ends inwardly of the extended portions of said end members, all being formed of relatively stiff paper-board material.

2. A box, comprising an integral sheet folded to form outer shell sides and bottom, separate end members applied exteriorly thereto, and a stifi liner covering the bottom and inner side and end wall portions of the shell, the shell and end members including pre-applied wood-grained surfacing material, and all members of the box being formed of relatively stiff plied, paper-board material.

3. A box, comprising an integral sheet folded to form outer shell sides and bottom, separate end members applied exteriorly thereto and of greater height than said sides, a stiff liner covering the bottom and inner side and end wall portions of the shell, the end portions of said liner being of less height than the exterior end members and forming shoulders, and a cover hingedly connected to one side and adapted to rest, in closing position, on upper edge portions of both sides and on said shoulders all being formed of relatively stiif paper-board material.

4. A cigar box, comprising an integral sheet folded to form outer shell sides, a bottom, and end flaps, separate end members applied exteriorly to the ends of said shell and against said end flaps, said separate end members being of greater height than said sides, a stiff liner covering the bottom and inner side and end wall portions of the shell, the end portions of said liner being of less height than the exterior end members and forming shoulders, and a cover hingedly connected to one side and adapted to rest, in closing position, on upper edge portions of both sides and on said shoulders, all portions of the box being formed of relatively stiff, plied, paper-board material, and the shell, end members, and cover including pre-applied, wood-grained, surfacing material.

5. A cigar box, comprising an integral sheet folded to form outer shell sides, a bottom, and end flaps, separate end members applied exteriorly to the ends of said shell and against said end flaps, said separate end members being of greater height than said sides, a stiff liner covering the bottom and inner side and end wall portions of the shell, the end portions of said liner being of less height than the exterior end members and forming shoulders, a cover hingedly connected to one side and adapted to rest, in closing position, on upper edge portions of both sides and on said shoulders, and cooperating cover-fastening means formed in and on adjacent portions of the cover and front side, all major portions of the box being formed of relatively stiff, plied, paper-board material.

LEO J KRYLL. 

